Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 8 - Geometry - 8.5 Triangles - 8.5 Exercises: 23

Answer

Length of the needed curbing = 126.8 m Square feet of sod needed = 672 m$^{2}$

Work Step by Step

Perimeter of a Triangle: $P$ = $a$ + $b$ + $c$ Area of a Triangle: $\frac{1}{2}$$b$$h$ $P$ = 32 m + 52.8 m + 42 m $P$ = 126.8 m $A$ = $\frac{1}{2}$(42 m)(32 m) $A$ = 672 m$^{2}$
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